H61.81 Exostosis of external canalNon-billable header with 4 child codes.
H61.811 Exostosis of right external canalH61.812 Exostosis of left external canalH61.813 Exostosis of external canal, bilateralH61.819 Exostosis of external canal, unspecified earH61.391 Other acquired stenosis of right external ear canalH61.392 Other acquired stenosis of left external ear canalH61.393 Other acquired stenosis of external ear canal, bilateralH61.399 Other acquired stenosis of external ear canal, unspecified earH61.8 Other specified disorders of external earH61.81 Exostosis of external canal (this code)H61.811 Exostosis of right external canalH61.812 Exostosis of left external canalH61.813 Exostosis of external canal, bilateralH61.819 Exostosis of external canal, unspecified earH61.89 Other specified disorders of external ear